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Subtract 45/10 from 3/28

1st number: 3/28, 2nd number: 4 5/10

3/28 - 45/10 is -123/28.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 28 and 10 is 140
  2. For the 1st fraction, since 28 × 5 = 140,
    3/28 = 3 × 5/28 × 5 = 15/140
  3. Likewise, for the 2nd fraction, since 10 × 14 = 140,
    45/10 = 45 × 14/10 × 14 = 630/140
  4. Subtract the two fractions:
    15/140 - 630/140 = 15 - 630/140 = -615/140
  5. After reducing the fraction, the answer is -123/28

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